Robbers on motorbikes could be seen smashing the windows while shoppers ran away from the scene of the heist.

The raid took place in full view of several passers-by some of whom filmed what was happening or took pictures on their mobile phones. Police have asked anyone with footage to come forward as they try to trace the raiders.

Owner Stephen Grey-Harris told the Bristol Post the business has lost stock worth more than £1million in the raid.

He said: “It’s not an uncommon type of smash and grab these days, men on motorbikes.